Samuels PS Forces Between Molecules Question Preview (ID: 28307)


Physical Science Forces Between Molecules. TEACHERS: click here for quick copy question ID numbers.

Forces that bind molecules together to form larger structures are known as
a) intermolecular forces
b) intramolecular forces
c) chemical bonds
d) strong nuclear force

Attraction force between polar molecules
a) dipole-dipole force
b) London forces
c) hydrogen bond
d) ionic bond

The only intermolecular force that affect nonpolar molecules
a) London force
b) dipole-dipole force
c) hydrogen bond
d) ionic bond

The random chance of electrons temporarily being close together creating a brief polar charge
a) London force
b) dipole-dipole force
c) hydrogen bond
d) ionic bond

The strong force that exists after hydrogen bonds with a strongly electronegative atom
a) hydrogen bond
b) London force
c) dipole-dipole force
d) ionic bond

A substance that has weak intermolecular forces typically has a __________ boiling point that a substance with strong intermolecular forces.
a) higher
b) non-existent
c) the same
d) lower

The stronger the intermolecular forces between the molecules of a solid, the ___________ the melting point.
a) higher
b) non-existent
c) the same
d) lower

Water is a polar substance, whereas, oil is a nonpolar substance. Oil mixed with water will
a) not dissolve at all
b) completely dissolve
c) dissolve at a lower temperature
d) dissolve with a higher concentration

Water is a polar substance, and sugar is a polar substance. Sugar mixed in water will
a) completely dissolve
b) not dissolve at all
c) dissolve at freezing
d) evaporate

These intermolecular forces are important for maintaining the structure of DNA.
a) hydrogen bonds
b) dipole-dipole force
c) ionic bond
d) London force

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